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NEET · Physics · STD 11 - 4.1 newtons laws of motion
A truck is stationary and has a bob suspended by a light string, in a frame attached to the truck. The truck, suddenly moves to the right with an acceleration of \(a\). The pendulum will the
- A to the left and angle of inclination of the pendulum with the vertical is \(\sin ^{-1}\left(\frac{\mathrm{g}}{{a}}\right)\)
- B to the left and angle of inclination of the pendulum with the vertical is \(\tan ^{-1}\left(\frac{ {a}}{\mathrm{g}}\right)\)
- C to the left and angle of Inclination of the pendulum with the vertical is \(\sin ^{-1}\left(\frac{a}{g}\right)\)
- D to the left and angle of Inclination of the pendulum with the vertical is \(\tan ^{-1}\left(\frac{g}{a}\right)\)
Answer & Solution
Correct Answer
(B) to the left and angle of inclination of the pendulum with the vertical is \(\tan ^{-1}\left(\frac{ {a}}{\mathrm{g}}\right)\)
Step-by-step Solution
Detailed explanation
\(\tan \theta=\frac{\mathrm{F}_{\mathrm{posdo}}}{\mathrm{mg}}=\frac{\mathrm{a}}{\mathrm{g}}\) towards left
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